To prepare a triple lemon pound cake recipe, first you need to prepare the cake batter. First, you'll need the following ingredients: 1 cup flour, 1 teaspoon baking powder, 2 tablespoons sugar, and 1 tablespoon vanilla extract. Mix the dry ingredients with the wet ingredients until the batter resembles coarse crumbs. Add the lemon zest and juice and mix until combined. Pour into the prepared cake pan and bake in the oven for 35 to 40 minutes, or until toothpick inserted in center comes out clean. Allow cake to cool before cutting into squares.